Wedged optical filter stack

Details Wedged optical filter stack Wedged optical filter stack

2005-09-06

2005-09-06

Lauchman, Layla G. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

C356S330000

Reexamination Certificate

active

06940593

ABSTRACT:
An optical reflection device for filtering and spatially positioning individual optical channels or wavelengths. The device includes a plurality of optical members with reflective surfaces and at least one reflective layer located on the reflective surface of each optical member. In addition, the plurality of optical members are interconnected in a manner such that the reflective surfaces are oriented at predetermined slopes with respect to one another. Each reflective layer is configured to reflect a particular wavelength or channel. The plurality of optical members are interconnected in a manner that allows each optical member to reflect an individual channel at a unique angle with respect to the other optical members. This configuration allows the optical reflection device to individually reflect and filter channels that are dispersed from some form of dispersing member, such as a prism or a diffraction grating.

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